Home / 15,052,556.25-20,770,765.35-8,856,240.17

Finding the Fourth Proportional to 15,052,556.25, 20,770,765.35 and 8,856,240.17

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Solution

The fourth proportional to 15,052,556.25, 20,770,765.35 and 8,856,240.17 is: 12,220,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052,556.25 : 20,770,765.35 = 8,856,240.17 : x
  2. Step 2: Convert to fraction form
    15,052,556.25/20,770,765.35 = 8,856,240.17/x
  3. Step 3: Cross multiply
    15,052,556.25x = 20,770,765.35 × 8,856,240.17
  4. Step 4: Simplify right side
    15,052,556.25x = 183,950,886,542,319.06
  5. Step 5: Solve for x
    x = 183,950,886,542,319.06/15,052,556.25
  6. Step 6: Final answer
    x = 12,220,574.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.